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verdaccio/website/docs/logger.md
Abraham Schilling ddb42431d1 build: configure prettier as formatter for json, yaml and markdown (#1930)
* build: configure pretter as formatter for most files

* chore: reformat code (#1931)

* chore: re-format all files

* chore: force run quality anaylsis test

Co-authored-by: Juan Picado @jotadeveloper <juanpicado19@gmail.com>

Co-authored-by: Juan Picado @jotadeveloper <juanpicado19@gmail.com>
2021-04-09 17:54:19 +02:00

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id title
logger Logger

As any web application, verdaccio has a customisable built-in logger. You can define multiple types of outputs.

''
logs:
  # console output
  - { type: stdout, format: pretty, level: http }
  # file output
  - { type: file, path: verdaccio.log, level: info }
  # Rotating log stream. Options are passed directly to bunyan. See: https://github.com/trentm/node-bunyan#stream-type-rotating-file
  - { type: rotating-file, format: json, path: /path/to/log.jsonl, level: http, options: { period: 1d } }

Use SIGUSR2 to notify the application, the log-file was rotated and it needs to reopen it. Note: Rotating log stream is not supported in cluster mode. See here

Configuration

Property Type Required Example Support Description
type string No [stdout, file] all define the output
path string No verdaccio.log all if type is file, define the location of that file
format string No [pretty, pretty-timestamped] all output format
level string No [fatal, error, warn, http, info, debug, trace] all verbose level